From: Ryan Leavengood <leavengood@...>
Date: 2006-01-05T06:22:13+09:00
Subject: Re: Question on iterating a hash

On 1/4/06, phil swenson <phil.swenson@gmail.com> wrote:
>
> Yeah, i can just iterate the keys... but it seems like there is a "ruby"
> way to do this.  Any thoughts?

Another option:

h.map{|k,v| k if v=='1'}.compact

And of course an inject version:
h.inject([]){|a,b| a<<b[0] if b[1]=='1';a}

Ryan